Qwen3.5-397B-A17B vs Grok-4.20 Beta Reasoning Comparison
Comparing Qwen3.5-397B-A17B and Grok-4.20 Beta Reasoning across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Qwen3.5-397B-A17B and Grok-4.20 Beta Reasoning don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Qwen3.5-397B-A17B ($0.60/1M tokens) is 3.3x cheaper than Grok-4.20 Beta Reasoning ($2.00/1M tokens).
For output processing, Qwen3.5-397B-A17B ($3.60/1M tokens) is 1.7x cheaper than Grok-4.20 Beta Reasoning ($6.00/1M tokens).
In conclusion, Grok-4.20 Beta Reasoning is more expensive than Qwen3.5-397B-A17B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok-4.20 Beta Reasoning accepts 2,000,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. Qwen3.5-397B-A17B can generate longer responses up to 64,000 tokens, while Grok-4.20 Beta Reasoning is limited to 30,000 tokens.
Input Capabilities
Supported data types and modalities
Both Qwen3.5-397B-A17B and Grok-4.20 Beta Reasoning support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Qwen3.5-397B-A17B
Grok-4.20 Beta Reasoning
License
Usage and distribution terms
Qwen3.5-397B-A17B is licensed under Apache 2.0, while Grok-4.20 Beta Reasoning uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Qwen3.5-397B-A17B was released on 2026-02-16, while Grok-4.20 Beta Reasoning was released on 2026-03-09.
Grok-4.20 Beta Reasoning is 1 month newer than Qwen3.5-397B-A17B.
Feb 16, 2026
4 weeks ago
Mar 9, 2026
1 weeks ago
3w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Qwen3.5-397B-A17B is available from Novita. Grok-4.20 Beta Reasoning is available from xAI. The availability of providers can affect quality of the model and reliability.
Qwen3.5-397B-A17B
Grok-4.20 Beta Reasoning
Outputs Comparison
Key Takeaways
Qwen3.5-397B-A17B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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